Nate Begeman
815d6dac1e
Add support for MULHS and MULHU nodes
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Have LegalizeDAG handle SREM and UREM for us
Codegen SDIV and UDIV by constant as a multiply by magic constant instead
of integer divide, which is very slow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21104 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-06 00:25:27 +00:00
Nate Begeman
c105e19864
Expand SREM and UREM for targets that claim not to have them, like PowerPC
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21103 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-06 00:23:54 +00:00
Nate Begeman
1867054643
Add MULHU and MULHS nodes for the high part of an (un)signed 32x32=64b
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multiply.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21102 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 22:36:56 +00:00
Andrew Lenharth
2513ddc239
added lowerargs support for varargs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21101 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 20:51:46 +00:00
Nate Begeman
ad5f65c74b
Behold, rlwinm with certain immediate arguments is printed as the much more
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readable slwi or srwi (shift left/right word immediate).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21099 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 18:19:50 +00:00
Nate Begeman
a3829d5580
Fix cut & paste errors (32->64), and codegen float->int more optimally.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21098 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 17:32:30 +00:00
Tanya Lattner
ac6e2dbf52
Updated to use dep analyzer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21097 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 16:36:44 +00:00
Nate Begeman
d3e6b94020
Remove 64 bit simple ISel, it never worked correctly
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Add initial (buggy) implementation of 64 bit pattern ISel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21096 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 08:51:15 +00:00
Nate Begeman
c8c5c8f0fa
Back out the previous change to SelectBranchCC, since there are cases it
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could miscompile. A correct solution will be found in the near future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21095 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 04:32:16 +00:00
Nate Begeman
439b444cad
Rename canUseAsImmediateForOpcode to getImmediateForOpcode to better
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indicate that it is not a boolean function.
Properly emit the pseudo instruction for conditional branch, so that we
can fix up conditional branches whose displacements are too large.
Reserve the right amount of opcode space for said pseudo instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21094 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 04:22:58 +00:00
Chris Lattner
bd135c7706
do not crash when using -debug
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21092 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 01:12:03 +00:00
Nate Begeman
80196b1331
Implement SDIV by power of 2 as srawi/addze rather than load imm, divw
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21091 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-05 00:15:08 +00:00
Nate Begeman
93075ec0a5
Pattern match fp mul-add, mul-sub, neg-mul-add, and neg-mul-sub
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21090 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 23:40:36 +00:00
Nate Begeman
178bb34ee5
Add support for multiply-add, multiply-sub, and their negated versions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21089 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 23:01:51 +00:00
Chris Lattner
8a9763c3cd
do not dereference an extra layer of pointers to determine if an external
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call can modify a memory location. This fixes
test/Regression/Analysis/Andersens/modreftest.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21088 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 22:23:21 +00:00
Chris Lattner
7759adfb4d
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21087 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 22:22:30 +00:00
Nate Begeman
d860aa62ac
Make sure that arg regs used by the call instruction are marked as such, so
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that regalloc doesn't cleverly reuse early arg regs loading later arg regs.
This fixes almost all outstanding failures in the pattern isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21086 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 22:17:48 +00:00
Nate Begeman
04ec80173b
Remove unnecessary register copy now that regalloc is fixed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21085 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 21:48:13 +00:00
Chris Lattner
886dd9136f
Make sure to notice that explicit physregs are used in the function
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21084 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 21:35:34 +00:00
Nate Begeman
c3e2db407e
i1 loads should also be from the low byte of the argument word.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21077 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 09:09:00 +00:00
Nate Begeman
e584668f04
Fix i64 return, fix CopyFromReg
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21076 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 06:52:38 +00:00
Duraid Madina
6e02e6842a
fix SREM/UREM, which gave incorrect results for x%y if x was zero. This is
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an ugly hack, but it seems to work. I should fix this properly and add a test
as well.
fixes multisource/obsequi (maybe others)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21075 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 05:05:52 +00:00
Duraid Madina
09c61b9c19
add implicit use op
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21074 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 04:50:57 +00:00
Nate Begeman
79e46acd35
Handle expanding arguments to ISD::TRUNCATE. This happens on PowerPC when
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you have something like i16 = truncate i64. This fixes Regression/C/casts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21073 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-04 00:57:08 +00:00
Chris Lattner
06098e0e9b
Fix sign_extend and zero_extend of promoted value types to expanded value
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types. This occurs when casting short to long on PPC for example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21072 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-03 23:41:52 +00:00
Nate Begeman
6644d4c933
Full varargs support. All of UnitTests now passes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21070 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-03 23:11:17 +00:00
Nate Begeman
4ec0cbdf15
Pass the correct value for the chain to the store
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21066 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-03 22:22:56 +00:00
Nate Begeman
fa55470e39
Fix SHL_PARTS
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Start implementation of integer varargs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21065 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-03 22:13:27 +00:00
Andrew Lenharth
63b720ac7c
is this simpler? I think it is simpler.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21064 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-03 20:35:21 +00:00
Andrew Lenharth
500d025bd9
fix 101 regressions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21063 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-03 18:24:50 +00:00
Duraid Madina
664044b2bd
a wise man once said:
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"!!!!!!!! IF YOU CHANGE SPACES TO TABS, YOU WILL BE KILLED!!!!!!"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21062 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-03 14:57:35 +00:00
Duraid Madina
162a837f63
.bss is no problem here.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21061 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-03 14:52:01 +00:00
Nate Begeman
aa73a9f16f
Keeping up with the Joneses.
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Implement not, nor, nand, and eqv
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21060 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-03 11:20:20 +00:00
Andrew Lenharth
10c085b525
Select optimization
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21051 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 22:32:39 +00:00
Andrew Lenharth
0eaf6ce2ef
Try several things. 1) drop /i from FP ops 2) factor out FP to Int moves and provide 21264 support for those 3) match not 4) match ornot andnot xornot
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21046 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 21:06:51 +00:00
Chris Lattner
1231aa3fa6
fix some VC compilation problems, thanks to Jeff C for pointing this out!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21044 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 20:17:09 +00:00
Chris Lattner
0700123431
EquivClassGraphs is now in DataStructure.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21042 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 20:08:17 +00:00
Chris Lattner
48574ab52c
merge EquivClassGraphs.h into DataStructure.h with the other DSA pass definitions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21041 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 20:08:06 +00:00
Chris Lattner
2ccc5f1081
use a callee_iterator typedef.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21038 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 20:02:41 +00:00
Chris Lattner
da7c380eb4
add and use a callee_iterator typedef
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21037 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 20:02:32 +00:00
Chris Lattner
021decc82d
Change the ActualCallees callgraph from hash_multimap<Instruction,Function>
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to std::set<std::pair<Inst,Func>> to avoid duplicate entries.
This speeds up the CompleteBU pass from 1.99s to .15s on povray and the
eqgraph passes from 1.5s to .16s on the same.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21031 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 19:17:18 +00:00
Chris Lattner
df968b8b37
Change the ActualCallees callgraph from hash_multimap<Instruction,Function>
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to std::set<std::pair<Inst,Func>> to avoid duplicate entries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21030 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 19:15:15 +00:00
Andrew Lenharth
7332f3e05d
FNEG/FABS/UNDEF
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21029 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 19:11:07 +00:00
Andrew Lenharth
30b46d41bc
FNEG/FABS
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21028 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 19:04:58 +00:00
Chris Lattner
4cb11a1de2
this has now been fixed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21026 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 16:17:57 +00:00
Duraid Madina
32c46f33b7
ia64 asmprinter fixes:
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- turn off assembler's autoalignment
- set FunctionAddrPrefix/Suffix so that .data8 entries pointing to
functions have their value wrapped in @fptr(), so that a function
descriptor will be materialized for that function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21025 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 12:30:47 +00:00
Duraid Madina
855a519741
add support for prefix/suffix strings to go around GlobalValue(s)
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(which may or be function pointers) in the asmprinter. For the moment,
this changes nothing, except the IA64 backend which can use this to write:
data8.ua @fptr(blah__blah__mangled_function_name)
(by setting FunctionAddrPrefix/Suffix to "@fptr(" / ")")
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21024 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 12:21:51 +00:00
Duraid Madina
75c9fcbdcc
support IDEF, fnegabs (thanks sampo)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21023 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 10:33:53 +00:00
Duraid Madina
5c156b7473
add fnegabs op
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21022 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 10:06:27 +00:00
Nate Begeman
27eeb00a1a
Set shift amount to Extend
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Implement ISD::FABS and ISD::FNEG nodes
Implement SHL_PARTS, SRL_PARTS, and SRA_PARTS
Generate PowerPC 'fneg', 'fabs', and 'fnabs' instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21018 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-02 05:59:34 +00:00